PHYSICS: Establishing a ppO₂ – (ALST)
It is essential that a LST understands how to establish a ppO₂ in a saturation environment. EXAMPLE Pressurise to 90msw using 16 % and 2 % HeO2. –Maintain a pO2 of 400 mbar. Initial blowdown using the 16% until a desired depth to switch to the low mix. (400required PPO2 – 210current PPO2 ) – (90msw x 2%) ÷ (10% – 2%) = 190 -180 ÷ 8 = […]
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